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natural immunity

American

noun

immunity that is present without prior immunization.

natural immunity British

noun

immunity with which an individual is born, which has a genetic basis

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"This natural immunity in pregnancy could change the way we think about flu protection for expectant mothers."

From Science Daily • Dec. 2, 2024

He argued against lockdowns and masking for children, questioned the benefits of vaccine boosters, and predicted incorrectly that populations would quickly acquire natural immunity to SARS-CoV-2.

From Science Magazine • Nov. 25, 2024

Prof Openshaw is clear "we are not there yet" with Covid, but "with repeated infection we should build up natural immunity".

From BBC • Dec. 16, 2023

The letter touted the benefits of natural immunity and promoted the use of “early treatments” to prevent the disease.

From Los Angeles Times • Oct. 19, 2023

Inasmuch as a natural immunity does not appear after an attack of cerebrospinal meningitis, it might be anticipated that serum of recovered cases would possess neither curative nor prophylactic qualities.

From Special Report on Diseases of the Horse by Michener, Charles B.

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023